're running for re-election, unless you're at that 50% mark, you're not going to win. george w. bush, back in 2004, was at kind of 48% in october, but then by the time the election came around, he was, you know, at 52%, 53%. so he kind of passed that threshold. so it's very important because again, if people approve of you, they're going to give you the benefit of the doubt, even if they believe that things are not headed in the right direction yet. it means that they have a certain sense of optimism about what you can do for them in the future, and that's so important for president obama right now, because mitt romney is making the case that the president cannot fix the economy, that he's the only one who can do that and the public at least for now seems to be saying you know what, that may not be true. we're going to give him another shot at it. >> john, did all this stuff happen really in the wake of the convention? it seems like, maybe i'm wrong, but the convention kind of changed the narrative or the mood or something. did it? >> there's no question that the democrats, meaning the pre